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What is the equation of a circle with center
(2, -3) and radius 3?

User Vezult
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1 Answer

4 votes

Answer:

(X - 2)² + (Y + 3)² = 9

Explanation:

(X - H)² + (Y - K)² = R²

According to this Circle Equation, all negative symbols give the OPPOSITE terms of what they really are, which is why you see a 3 in the parentheses [-(-3) = 3]. So, you plug the center into the formula, where H is the phase shift [horizontal shift] and K is the vertical shift, then square your radius [9 = 3²].

I am joyous to assist you anytime.

User Alexey Smirnov
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